Stability and preconditioning for a hybrid approximation on the sphere

Quoc Thong Le Gia, Ian H. Sloan, Andrew J. Wathen. Stability and preconditioning for a hybrid approximation on the sphere. Numerische Mathematik, 118(4):695-711, 2011. [doi]

@article{GiaSW11,
  title = {Stability and preconditioning for a hybrid approximation on the sphere},
  author = {Quoc Thong Le Gia and Ian H. Sloan and Andrew J. Wathen},
  year = {2011},
  doi = {10.1007/s00211-011-0369-0},
  url = {http://dx.doi.org/10.1007/s00211-011-0369-0},
  researchr = {https://researchr.org/publication/GiaSW11},
  cites = {0},
  citedby = {0},
  journal = {Numerische Mathematik},
  volume = {118},
  number = {4},
  pages = {695-711},
}